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Finding the Fourth Proportional to 562,170.66, 841,904.76 and 321,555.06

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Solution

The fourth proportional to 562,170.66, 841,904.76 and 321,555.06 is: 481,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,170.66 : 841,904.76 = 321,555.06 : x
  2. Step 2: Convert to fraction form
    562,170.66/841,904.76 = 321,555.06/x
  3. Step 3: Cross multiply
    562,170.66x = 841,904.76 × 321,555.06
  4. Step 4: Simplify right side
    562,170.66x = 270,718,735,616.09
  5. Step 5: Solve for x
    x = 270,718,735,616.09/562,170.66
  6. Step 6: Final answer
    x = 481,559.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.